Hystrichosphaeridium longifurcatum
From dinoflaj3
"longifurcatum" Firtion, 1952, p.157–158, pl.9, fig.1; text-figs.1H–M. Holotype: Firtion, 1952, pl.9, fig.1; lost according to Fauconnier and Pourtoy in Fauconnier and Masure (2004, p.517). Neotype: Foucher, 1976, pl.5, figs.7–8, designated by Fauconnier and Pourtoy in Fauconnier and Masure (2004, p.518); Fauconnier and Masure, 2004, pl.74, figs.2–3. NOW Surculosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Surculosphaeridium, fourthly Surculosphaeridium?. Age: Cenomanian.
Parent: Hystrichosphaeridium